import json

models = ['auth.permission', 'contenttypes.contenttype', 'sites.site', 'sessions.session', 'admin.logentry', 'core.profile']

source = json.load(open('source.json', 'r'), 'utf-8')

json.dump([o for o in source if o['model'] not in models], open('destination.json', 'w'), 'utf-8', indent = True)

